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Richard Barry 2012-04-02 20:22:07 +00:00
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20120401V7.1.1-RC1/Demo/CORTEX_LM3S316_IAR/ParTest/ParTest.c Normal file
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/*
FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
***************************************************************************
* *
* FreeRTOS tutorial books are available in pdf and paperback. *
* Complete, revised, and edited pdf reference manuals are also *
* available. *
* *
* Purchasing FreeRTOS documentation will not only help you, by *
* ensuring you get running as quickly as possible and with an *
* in-depth knowledge of how to use FreeRTOS, it will also help *
* the FreeRTOS project to continue with its mission of providing *
* professional grade, cross platform, de facto standard solutions *
* for microcontrollers - completely free of charge! *
* *
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
* *
* Thank you for using FreeRTOS, and thank you for your support! *
* *
***************************************************************************
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
>>>NOTE<<< The modification to the GPL is included to allow you to
distribute a combined work that includes FreeRTOS without being obliged to
provide the source code for proprietary components outside of the FreeRTOS
kernel. FreeRTOS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details. You should have received a copy of the GNU General Public
License and the FreeRTOS license exception along with FreeRTOS; if not it
can be viewed here: http://www.freertos.org/a00114.html and also obtained
by writing to Richard Barry, contact details for whom are available on the
FreeRTOS WEB site.
1 tab == 4 spaces!
http://www.FreeRTOS.org - Documentation, latest information, license and
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
/*
*/
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
#include "pdc.h"
#define partstPINS (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 Z | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7)
#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0x00 )
#define partstMAX_OUTPUT_LED ( ( unsigned char ) 8 )
static volatile unsigned char ucOutputValue = partstALL_OUTPUTS_OFF;
void vParTestInitialise( void )
{
PDCInit();
PDCWrite( PDC_LED, ucOutputValue );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned char ucBit = ( unsigned char ) 1;
vTaskSuspendAll();
{
if( uxLED < partstMAX_OUTPUT_LED )
{
ucBit = ( ( unsigned char ) 1 ) << uxLED;
if( xValue == pdFALSE )
{
ucBit ^= ( unsigned char ) 0xff;
ucOutputValue &= ucBit;
}
else
{
ucOutputValue |= ucBit;
}
PDCWrite( PDC_LED, ucOutputValue );
}
}
xTaskResumeAll();
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned char ucBit;
vTaskSuspendAll();
{
if( uxLED < partstMAX_OUTPUT_LED )
{
ucBit = ( ( unsigned char ) 1 ) << uxLED;
if( ucOutputValue & ucBit )
{
ucOutputValue &= ~ucBit;
}
else
{
ucOutputValue |= ucBit;
}
PDCWrite( PDC_LED, ucOutputValue );
}
}
xTaskResumeAll();
}